<template>
  <div>
    <!-- 面包屑导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图区域 -->
    <el-card class="box-card">
      <!-- 搜索与添加区域 -->
      <el-row :gutter="20">
        <el-col :span="8"
          ><el-input
            placeholder="请输入内容"
            v-model="queryInfo.query"
            clearable
            @clear="getUserList"
          >
            <el-button
              slot="append"
              icon="el-icon-search"
              @click="getUserList"
            ></el-button> </el-input
        ></el-col>
        <el-col :span="4">
          <el-button type="primary" @click="dialogVisible = true"
            >添加用户</el-button
          >
        </el-col>
      </el-row>
      <el-table :data="userList" style="width: 100%" border stripe>
        <el-table-column type="index"> </el-table-column>
        <el-table-column prop="username" label="姓名" width="150">
        </el-table-column>
        <el-table-column prop="email" label="邮箱" width="150">
        </el-table-column>
        <el-table-column prop="mobile" label="电话"> </el-table-column>
        <el-table-column prop="role_name" label="角色"> </el-table-column>
        <el-table-column label="状态">
          <template #default="scope">
            <el-switch
              v-model="scope.row.mg_state"
              @change="changeUserState(scope.row)"
            >
            </el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="180px">
          <template #default="{ row }">
            <el-tooltip
              class="item"
              effect="dark"
              content="编辑"
              placement="top"
              :enterable="false"
            >
              <el-button
                type="primary"
                icon="el-icon-edit"
                size="mini"
                @click="showEditDialog(row.id)"
              ></el-button>
            </el-tooltip>
            <el-tooltip
              class="item"
              effect="dark"
              content="删除"
              placement="top"
              :enterable="false"
            >
              <el-button
                type="danger"
                icon="el-icon-delete"
                size="mini"
                @click="removeUserById(row.id)"
              ></el-button>
            </el-tooltip>
            <el-tooltip
              class="item"
              effect="dark"
              content="分配角色"
              placement="top"
              :enterable="false"
            >
              <el-button
                type="warning"
                icon="el-icon-setting"
                size="mini"
                @click="setRole(row)"
              ></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>

      <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1, 2, 5, 10]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      >
      </el-pagination>
    </el-card>

    <!-- 添加用户对话框区域 -->
    <el-dialog
      title="添加用户"
      :visible.sync="dialogVisible"
      width="50%"
      @close="addDialogClose"
    >
      <!-- 内容主体区域 -->
      <el-form
        :model="addForm"
        :rules="addFormRules"
        ref="addFormRef"
        label-width="70px"
      >
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机号" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <!-- 底部区域 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="dialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>

    <!-- 编辑用户对话框区域 -->
    <el-dialog
      title="编辑用户"
      :visible.sync="editDialogVisible"
      width="50%"
      @close="editDialogClose"
    >
      <el-form
        :model="editForm"
        :rules="editFormRules"
        ref="editFormRef"
        label-width="100px"
      >
        <el-form-item label="用户名">
          <el-input v-model="editForm.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUserInfo">确 定</el-button>
      </span>
    </el-dialog>

    <!-- 分配用户角色的对话框 -->
    <el-dialog
      title="分配角色"
      :visible.sync="setRoleDialogVisible"
      width="50%"
      @close="setRoleDialogClosed"
    >
      <div>
        <p>当前的用户:{{ userInfo.username }}</p>
        <p>当前的角色:{{ userInfo.role_name }}</p>
        <p>
          分配新角色:
          <el-select v-model="selectedRoleId" placeholder="请选择">
            <el-option
              v-for="item in rolesList"
              :key="item.id"
              :label="item.roleName"
              :value="item.id"
            >
            </el-option>
          </el-select>
        </p>
      </div>
      <span slot="footer" class="dialog-footer">
        <el-button @click="setRoleDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
import { getUsersListApi, changeUserStateApi, addUserApi, getUserByIdApi, editUserByIdApi, removeUserByIdApi, allotUsersRoleApi } from '../../api/users'
import { getRolesListApi } from '../../api/roles'
export default {
  data () {
    // 自定义手机号校验函数
    const validateMobile = (rule, value, callback) => {
      if (!/^(0|86|17951)?(13[0-9]|15[012356789]|166|17[3678]|18[0-9]|14[57])[0-9]{8}$/.test(value)) {
        callback(new Error('手机号格式错误!'))
      } else {
        callback()
      }
    }
    // 自定义邮箱校验函数
    const validateEmail = (rule, value, callback) => {
      if (!/\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*/.test(value)) {
        callback(new Error('邮箱格式错误!'))
      } else {
        callback()
      }
    }

    return {
      // 获取用户列表的参数对象
      queryInfo: {
        query: '',
        // 当前的页数
        pagenum: 1,
        // 每页显示的数据
        pagesize: 5
      },
      userList: [],
      total: 0,
      // 控制添加用户对话框的显示与隐藏
      dialogVisible: false,
      // 添加用户的表单数据
      addForm: {
        username: '',
        password: '',
        email: '',
        mobile: ''
      },
      editForm: {},
      // 添加表单的验证规则
      addFormRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          { min: 3, max: 10, message: '用户名长度为3到10个字符之间', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { min: 6, max: 15, message: '密码长度为6到15个字符之间', trigger: 'blur' }
        ],
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator: validateEmail, trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '请输入手机号', trigger: 'blur' },
          { validator: validateMobile, trigger: 'blur' }
        ]
      },
      // 控制编辑用户对话框的显示与隐藏
      editDialogVisible: false,
      // 修改表单的校验规则
      editFormRules: {
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator: validateEmail, trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '请输入手机号', trigger: 'blur' },
          { validator: validateMobile, trigger: 'blur' }
        ]
      },
      // 控制分配角色对话框的显示与隐藏
      setRoleDialogVisible: false,
      // 分配角色的用户信息
      userInfo: {},
      // 所有角色数据列表
      rolesList: [],
      // 已选中的角色Id值 通过el-select中的v-model存储
      selectedRoleId: ''
    }
  },
  methods: {
    async getUserList () {
      const { data } = await getUsersListApi(this.queryInfo)
      // console.log(data)
      if (data.meta.status !== 200) {
        return this.$message.error('获取用户列表失败!')
      }
      this.userList = data.data.users
      this.total = data.data.total
    },
    // 监听pagesize改变的事件
    handleSizeChange (newSize) {
      // console.log(newSize)
      this.queryInfo.pagesize = newSize
      this.getUserList()
    },
    // 监听页码值改变的事件
    handleCurrentChange (newPage) {
      // console.log(newPage)
      this.queryInfo.pagenum = newPage
      this.getUserList()
    },
    // 监听switch开关状态的改变
    async changeUserState (userInfo) {
      // console.log(userInfo)
      const { data } = await changeUserStateApi(userInfo.id, userInfo.mg_state)
      if (data.meta.status !== 200) {
        userInfo.mg_state = !userInfo.mg_state
        return this.$message.error('更新用户状态失败!')
      }
      // console.log(data)
      this.$message.success('更新用户状态成功!')
    },
    // 监听添加用户对话框的关闭事件
    addDialogClose () {
      this.$refs.addFormRef.resetFields()
    },
    // 添加用户表单校验
    addUser () {
      this.$refs.addFormRef.validate(async valid => {
        // console.log(valid)
        if (!valid) return false
        const { data } = addUserApi(this.addForm)
        console.log(data)
        // if (data.meta.status !== 201) {
        //   this.$message.error('添加用户失败!')
        // }
        this.$message.success('添加用户成功!')
        this.dialogVisible = false
        this.getUserList()
      })
    },
    // 展示编辑用户信息对话框
    async showEditDialog (id) {
      this.editDialogVisible = true
      // console.log(id)
      const { data } = await getUserByIdApi(id)
      // console.log(data)
      if (data.meta.status !== 200) return this.$message.error('查询用户信息失败!')
      this.editForm = data.data
    },
    // 监听修改用户对话框的关闭事件
    editDialogClose () {
      this.$refs.editFormRef.resetFields()
    },
    // 修改用户信息预校验
    editUserInfo () {
      this.$refs.editFormRef.validate(async valid => {
        // console.log(valid)
        if (!valid) return false
        const { data } = await editUserByIdApi(this.editForm.id, this.editForm.email, this.editForm.mobile)
        // console.log(data)
        if (data.meta.status !== 200) return this.$message.error('修改用户信息失败!')
        this.$message.success('修改用户信息成功!')
        this.getUserList()
        this.editDialogVisible = false
      })
    },
    // 根据id删除用户
    async removeUserById (id) {
      console.log(id)
      // 弹框询问是否删除用户
      const confirmResult = await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(error => error)
      // 点击确认,则返回值为字符串confirm, 点击取消会报错,如果用catch捕获,则返回字符串cancel
      // console.log(confirmResult)
      if (confirmResult !== 'confirm') {
        return this.$message.info('取消了删除')
      }
      const { data } = await removeUserByIdApi(id)
      console.log(data)
      if (data.meta.status !== 200) {
        this.$message.error('删除失败!')
      }
      this.$message.success('已删除成功!')
      this.getUserList()
    },
    // 展示分配角色对话框
    async setRole (userInfo) {
      this.userInfo = userInfo
      // 在展开对话框之前,获取所有角色列表
      const { data } = await getRolesListApi()
      // console.log(data)
      if (data.meta.status !== 200) return this.$message.error('获取角色列表失败!')
      this.rolesList = data.data
      this.setRoleDialogVisible = true
    },
    // 点击按钮分配角色
    async saveRoleInfo () {
      // 用户没有选择要分配的角色
      if (!this.selectedRoleId) {
        return this.$message.error('请选择要分配的角色')
      }
      const { data } = await allotUsersRoleApi(this.userInfo.id, this.selectedRoleId)
      console.log(data)
      if (data.meta.status !== 200) {
        return this.$message.error('更新角色失败!')
      }
      this.$message.success('更新角色成功!')
      this.getUserList()
      this.setRoleDialogVisible = false
    },
    // 监听分配角色对话框的关闭事件
    setRoleDialogClosed () {
      this.selectedRoleId = ''
      this.userInfo = {}
    }
  },
  created () {
    this.getUserList()
  }
}
</script>

<style lang="less" scoped>
</style>
